Multiple Choice
What is a key difference between endocrine and exocrine glands?
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16. The Endocrine System
Introduction to the Endocrine System
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Which of the following correctly describes the function of luteinizing hormone?
A
It triggers ovulation and stimulates the production of testosterone.
B
It stimulates the production of milk in the mammary glands.
C
It increases the reabsorption of water in the kidneys.
D
It regulates the body's circadian rhythms.
Verified step by step guidance1
Identify the primary function of luteinizing hormone (LH) in the human body. LH is a hormone produced by the anterior pituitary gland.
Understand the role of LH in the reproductive system. In females, LH is crucial for triggering ovulation, which is the release of an egg from the ovary.
Recognize the role of LH in males. LH stimulates the production of testosterone by acting on the Leydig cells in the testes.
Differentiate LH from other hormones that have distinct functions, such as prolactin, which stimulates milk production, and antidiuretic hormone (ADH), which increases water reabsorption in the kidneys.
Clarify that LH does not regulate circadian rhythms, which are primarily controlled by melatonin produced by the pineal gland.
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